On IBM bluemix platform it is possible to write cloud functions using OpenWhisk, but what is OpenWhisk and how to setup a cluster using this technology?
According to this GitHub readme
OpenWhisk is a serverless event-based programming service.
In order to get an idea how to setup this tool on a cluster one could run the following code that is defined in the readme:
# Clone openwhisk git clone --depth=1 https://github.com/apache/incubator-openwhisk.git openwhisk # Change directory to tools/vagrant cd openwhisk/tools/vagrant # Run script to create vm and run hello action ./hello